Other
Usa Gov: Hurricane Recovery
Resources to help you prepare for hurricanes and to help you find family and friends, get help, and health and safety tips.
NOAA
Noaa: Ncdc: Hurricane Katrina Information [Pdf]
Lots of information about the causes of Hurricane Katrina from a meteorology point of view is shared, as well as the data from the Hurricane and the impact the Hurricane had on the cities and towns that were affected.